[INFO] fetching crate zk-loader 0.1.2... [INFO] checking zk-loader-0.1.2 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174 [INFO] extracting crate zk-loader 0.1.2 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate zk-loader 0.1.2 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate zk-loader 0.1.2 [INFO] finished tweaking crates.io crate zk-loader 0.1.2 [INFO] tweaked toml for crates.io crate zk-loader 0.1.2 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate crates.io crate zk-loader 0.1.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 65bbf787696546f24039366344af6fb66d8e99a5bb5cbcda3a6287b521e20c18 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "65bbf787696546f24039366344af6fb66d8e99a5bb5cbcda3a6287b521e20c18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "65bbf787696546f24039366344af6fb66d8e99a5bb5cbcda3a6287b521e20c18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65bbf787696546f24039366344af6fb66d8e99a5bb5cbcda3a6287b521e20c18", kill_on_drop: false }` [INFO] [stdout] 65bbf787696546f24039366344af6fb66d8e99a5bb5cbcda3a6287b521e20c18 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 78f03bc3155d1dc315e4fdd9cc28b753775aa25bf10a76701fbb48015f6b7e58 [INFO] running `Command { std: "docker" "start" "-a" "78f03bc3155d1dc315e4fdd9cc28b753775aa25bf10a76701fbb48015f6b7e58", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.64 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking snowflake v1.3.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking miniz_oxide v0.3.5 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking filetime v0.2.7 [INFO] [stderr] Checking xattr v0.2.2 [INFO] [stderr] Checking flate2 v1.0.12 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking tar v0.4.26 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking mio-extras v2.0.5 [INFO] [stderr] Compiling zookeeper_derive v0.4.0 [INFO] [stderr] Checking zookeeper v0.5.7 [INFO] [stderr] Checking zk-loader v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `ZkError` [INFO] [stdout] --> src/zk_interaction.rs:13:51 [INFO] [stdout] | [INFO] [stdout] 13 | use self::zookeeper::{Acl, CreateMode, ZooKeeper, ZkError}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ZkError` [INFO] [stdout] --> src/zk_interaction.rs:13:51 [INFO] [stdout] | [INFO] [stdout] 13 | use self::zookeeper::{Acl, CreateMode, ZooKeeper, ZkError}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/zk_interaction.rs:94:9 [INFO] [stdout] | [INFO] [stdout] 94 | zk_client.create(new_znode.as_str(), vec![], Acl::open_unsafe().clone(), CreateMode::Persistent); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/zk_interaction.rs:94:9 [INFO] [stdout] | [INFO] [stdout] 94 | zk_client.create(new_znode.as_str(), vec![], Acl::open_unsafe().clone(), CreateMode::Persistent); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/zk_interaction.rs:193:9 [INFO] [stdout] | [INFO] [stdout] 193 | zk.create(root_znode.0, root_znode.1.clone(), Acl::open_unsafe().clone(), CreateMode::Persistent); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/zk_interaction.rs:194:9 [INFO] [stdout] | [INFO] [stdout] 194 | zk.create(child_znode.0, child_znode.1.clone(), Acl::open_unsafe().clone(), CreateMode::Persistent); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/zk_interaction.rs:195:9 [INFO] [stdout] | [INFO] [stdout] 195 | zk.create(excluded_znode.0, excluded_znode.1.clone(), Acl::open_unsafe().clone(), CreateMode::Persistent); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/zk_interaction.rs:196:9 [INFO] [stdout] | [INFO] [stdout] 196 | zk.create(ephemeral_znode.0, ephemeral_znode.1.clone(), Acl::open_unsafe().clone(), CreateMode::Ephemeral); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/zk_interaction.rs:199:9 [INFO] [stdout] | [INFO] [stdout] 199 | zk.delete(child_znode.0, None); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/zk_interaction.rs:200:9 [INFO] [stdout] | [INFO] [stdout] 200 | zk.delete(excluded_znode.0, None); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/zk_interaction.rs:201:9 [INFO] [stdout] | [INFO] [stdout] 201 | zk.delete(root_znode.0, None); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/zk_interaction.rs:216:9 [INFO] [stdout] | [INFO] [stdout] 216 | zk.create(root_znode.0, root_znode.1.clone(), Acl::open_unsafe().clone(), CreateMode::Persistent); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/zk_interaction.rs:217:9 [INFO] [stdout] | [INFO] [stdout] 217 | zk.create(child_znode.0, child_znode.1.clone(), Acl::open_unsafe().clone(), CreateMode::Persistent); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/zk_interaction.rs:218:9 [INFO] [stdout] | [INFO] [stdout] 218 | zk.create(excluded_znode.0, excluded_znode.1.clone(), Acl::open_unsafe().clone(), CreateMode::Persistent); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 18.19s [INFO] running `Command { std: "docker" "inspect" "78f03bc3155d1dc315e4fdd9cc28b753775aa25bf10a76701fbb48015f6b7e58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78f03bc3155d1dc315e4fdd9cc28b753775aa25bf10a76701fbb48015f6b7e58", kill_on_drop: false }` [INFO] [stdout] 78f03bc3155d1dc315e4fdd9cc28b753775aa25bf10a76701fbb48015f6b7e58